題目鏈接：https://pintia.cn/problem-sets/994805260223102976/problems/994805266007048192

題解：

 1 //本題有一個坑需要註意:錯誤密碼可以包含空格等，所以應該改用getline而不是cin進行輸入
 2 #include<iostream>
 3 #include<string>
 4 #include<cstdio>
 5 using namespace std;
 6 
 7 int main() {
 8     string password, str;
 9     int n;
10     cin >> password >> n;
 
11     getchar();
12     while (true) {
13         getline(cin, str);
14         if (str == "#") break;
15         if (str != password) {
16             cout << "Wrong password: " << str << endl;
17             n--;
18         }
19         else {
20             cout << "Welcome in
 
" << endl;
21             break;
22         }
23         if (n == 0) {
24             cout << "Account locked" << endl;
25             break;
26         }
27     }
28     return 0;
29 }

1067 試密碼